used newer python version for external requirements

software/jupyterlite/instance-jupyterlite.cfg.in

@@ -2,3 +2,9 @@
 
 [buildout]
 parts =
+
+[jupyterlite-server]
+
+[enable-webtrc]
+
+[publish-connection-information]

software/jupyterlite/software.cfg

@@ -6,10 +6,11 @@ extends =
 parts =
   slapos-cookbook
   template-instance
-#  extensions
+  extensions
 
 [python]
-part = python3
+# required by doit
+part = python3.8
 
 [template-instance]
 recipe = slapos.recipe.template:jinja2
@@ -19,11 +20,11 @@ context =
   section buildout buildout
   key template_instance_jupyterlite template-instance-jupyterlite:target
 
-#[extensions]
-#recipe = zc.recipe.egg
-#eggs =
-#  jupyterlite
-#  jupyterlab-webrtc-docprovider
+[extensions]
+recipe = zc.recipe.egg
+eggs =
+  jupyterlite
+  jupyterlab-webrtc-docprovider
 
 [download-base]
 recipe = slapos.recipe.build:download
@@ -31,3 +32,7 @@ url = ${:_profile_base_location_}/${:filename}
 
 [template-instance-jupyterlite]
 <= download-base
+
+[versions]
+# wip: does not work yet
+setuptools = 62.3.2